4 practice fkey simple test of goose communication

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Power Transmission and Distribution

Power AutomationProgress. It‘s that simple.

Power Transmission and DistributionCommunication in Substations with IEC 61850Simple Communication Test with IEC61850Markus Spangler, Siemens AG, PTD EA 13

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As a first example, it has to be checked in a simple way that the communication between the devices is functional.

For that, function key 1 of a device is to be pressed so that LED 1 lights up.

This signal has to be transmitted to the other device via the IEC 61850 station bus.

If function key 2 is pressed, the signal will be reseted.

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Field device Siprotec 4

LCD display

Key-operated switch- local / remote- locked / unlocked

Numeric input keys

Freely parameterizablefunction keys

Control keys (ON/OFF)

Freely parameterizableLED displays

Navigation keys

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Device 1 Device 2

Switch

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Device 1 Device 2

Switch

F keys

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Settings to configure an IEC61850 Station

Indication of IED names to identify them by the DIGSI managerAllocation of IP – Addresses to all network participants

The address must be unique for each componentIn the Sub-Network the allocation of the address is without any restrictionsYou should configure a private networkIP-Addresses: 192.168.0.1 – 192.168.0.254 SubNetMask: 255.255.255.0If there is an external communication link, please insert the settings of thedefault-gateway.

IP – Addressing of bay devices in DIGSI IP – Addressing of central unit / DIGSI – PCIP – Addressing of switches via Telnet / TerminalprogrammIP – Addressing of SNTP – servers to synchronize the time of the devicesIP – Addressing of other participants with their own programs (Serial Hub, Router, etc.) -> Often browserbased.

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Example

DIGSI PC IP: 192.168.1.1

DIGSI PC

Ethernet-Switch : 192.168.1.10Ethernet/IEC61850

Outgoing feeder OFIncoming Feeder IFDevice_B IP: 192.168.1.101Device_A IP: 192.168.1.100

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1.) Define the IP address of the DIGSI PC under properties of local area connection

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2.) Do the settings under the properties of TCP/IP andprovide the IP-addressmanually192.168.1.1

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IEC61850: Starting in the DIGSI manager

As with all other devices, also those suitable for IEC 61850 areadded from the device catalog to the project via drag & drop.

Devices using other protocols for communication can, of course, also be included in the same project and thus in the same system.

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Create 2 parameter sets in accordance with the ordering code MLFB.If the MLFB is similar, it is sufficient to create one set and then use copy & paste.

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Check the settings of the system port by the SIPROTEC device properties

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Define the IP address of each communication component and provide an IED name for each Device A,B e.g.192.168.1.100192.168.1.101……

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As first step, it has to be checked that the communication between DIGSI and the devices via the Industrial Ethernet is functional.

For that, please use the ping-command function using the operation system

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Just enter the IP-addresses and check the communication192.168.1.1 PC192.168.1.100 Device A192.168.1.101 Device B192.168.1.10 switch

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DEVICE A

Open the parameter online

and check the communication

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Allocation of an indication to check the IEC61850-communication

Open the parameter set off-line.

Create - 2 pieces of internal single-point indication intSP for the function key and- 1 piece of single-point indication SP for the transmission via the IEC61850

station

Allocatethe 2 pieces of internal single-point indication to the source

function key F1,F2 and destination CFC- the piece of single-point indication to the source CFC and destination

LED1 and system interface S

DEVICE A

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DEVICE A

The new signal from the source CFC is now allocated to LED and interface S

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After the selection of destination S, a setting window appears for the allocation of the IEC61850 object: A name has to be assigned for the LN (logical node). The information then appears in the IEC61850 station under this structure.

DEVICE A

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DEVICE A

The function keys are interconnected in the CFC with the help of an RS flipflopmodule so that the ON and OFF state can be presented permanently.

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Work in accordance with the CFC standard recipe!

1. Allocate to CFC2. Save the allocation matrix3. Insert a CFC plan4. Draw the plan5. Check and optimize the running sequence6. Compile the plan7. Save the parameter set

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Insert a new CFC-Chart ‘communication check’

DEVICE A

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DEVICE A

After compilation you have to save the parameter set by clicking onto the disk symbol.

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In the device B, the SIGNAL information fromdevice A is received from source S. With the help of the type external single-point indication from the information catalog (type:ExSP), an information is created in the matrix and allocated to source S and destination LED1.

DEVICE B

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DEVICE B

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DEVICE B

The name of the LN does not have to be identical with the name of the LN of device 1. Nevertheless, for reasons of clarity, it is advisable to assign the same names to be able to find the corresponding information in the IEC61850 station easier.

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Among the object properties of the parameter set, the following entries can be found:

IP-addressSubnet maskStandard gatewayIED name

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Power AutomationProgress. It‘s that simple. These settings are relevant if DIGSI communicates with the protection device

directly via Ethernet. The IEC61850 station is then unnecessary.

For this example, the communication parameters are entered in the IEC61850 station and accepted.

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Creating an IEC61850 station

New in DIGSI 4 is the IEC 61850 station, which is added to the project via the context menu, for example. Such a station combines several devices communicating with each other via Ethernet in accordance with IEC61850.

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Creating an IEC61850 station

Object properties of the IEC61850 station:

Selection of the users

Important: Only potential users whose parameter sets have been opened at least once before are offered here.

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Power AutomationProgress. It‘s that simple. The IEC61850 station can now be opened.

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Power AutomationProgress. It‘s that simple. The network area shows the current network structure. Subnets ... users ...

IP addresses - all basic information at a glance! If you are interested in details, the properties window helps. It immediately provides the appropriate information independent of the selected element.

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Define the Start-IP address first….

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….and second actualize the others automatically

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pay attention:

Overwriting all IP-addresses automatically possible

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Interconnection of sources and destinations from catalogues

For that, select a data object of user A as the source and interconnect it with a data object of user Bas the destination. The source and destination objects are clearly arranged in separate windows in the form of hierarchical tree structures (catalogues).

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Interconnection of sources and destinations from catalogues

Interconnections are always combined in applications. This is ideal to keep the overview even in the case of a huge amount of inter-connected information.

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Standard and SIPROTEC text

We pick up the user in his/her usual world: Apart from the standard text, he/she also sees the text of the assigned SIPROTEC object or at least a text in accordance with the SIPROTEC language world.

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Power AutomationProgress. It‘s that simple. In the interconnections area, you determine the scope of the data exchange

between the users of an IEC61850 station. For that, you interconnect data objects of two (or more) users.

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Power AutomationProgress. It‘s that simple. Select the source information first by double clicking the desired information

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Afterwards the source information will be displayed….

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Power AutomationProgress. It‘s that simple. Second you have to select the destination information

by double clicking within the destination window

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Power AutomationProgress. It‘s that simple. The destination information is now displayed….

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Just repeat it for additional devices, if available/necessary

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Just repeat it for additional devices, if available/necessary

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At the end of work: Exporting in SCL

With just a few mouse clicks you save the data in files, absolutely standard-compliant in SCL. They can thus be directly processed by an automation system such as, for example, SICAM PAS, or evaluated by configuration tools of other manufacturers.

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Usability in the system configurator

You can adapt the layout of the DIGSI system configurator user interface exactly to your needs: You can determine the size and position of the individual windows yourself, or you can combine different windows to a single one.If required, you can change from the static view to the dynamic one: Partial windows such as the properties are only displayed when the cursor is moved across. Of course, your personal user interface layout is saved while exiting the system configurator. Opened catalogue paths are memorized.You can undo every action, also several actions consecutively.

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Saving is carried out automatically when exiting the system configurator.

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Saving is carried out automatically when exiting the system configurator.

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Updating an IEC61850 station

within the object properties of the IEC61850 station

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Power AutomationProgress. It‘s that simple. Updating an

IEC61850 station

Report

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Updating an IEC61850 station

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At the end, the individual parameter sets have to be transmitted to the protection devices

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Checking the communication…

Device A Device CDevice B

Switch

F keys

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Exporting an IEC61850 station

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Exporting an IEC61850 station, Report

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Indication of the quality of the LAN connection

Extended the example: Check the LAN-connection by using the quality-information of the received GOOSE message in device B

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Indication of the quality of the LAN connection

Interrogation of the message status in CFCThe status of the IEC61850 annunciation obtained from the systeminterface is checked in CFC. For this purpose the logic module SI_GET_STATUS is provided.

The module SI_GET_STATUS decodes the status of a single point indication, whereby the structure of the single point indication routed to input X is decoded to the VALUE of the signal and the following status information:

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The output NV generates a signal NV=1, when the annunciation is no longer updated (update at second intervals). The signal from the NV output can then be routed (best with a negator) to a LED or output contact. The module SI_GET_STATUS can be applied in all process layers.

At this point it is worth mentioning that the status of double point indications can also be interrogated in CFC. For this purpose CFC provides the module DI_GET_STATUS.

Result:As long as the communication is functioning between the devices, the present state of the bus release annunciation can be obtained without ambiguity. A communication failure results in the appearance of the status NV message via CFC.

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Thank you very much for your attention.

4 practice fkey simple test of goose communication

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